Standard Horizon HX270S owner manual Specifications, General, Transmitter, Receiver

10.SPECIFICATIONS

7.1General

Frequency range:	156 MHz - 163.275 MHz (Marine Band + WX Band)
	Channel Steps: 25 kHz
Frequency stability:	± 5 ppm (–22 °F to +140 °F [–30 °C to +60 °C])
Emission type:	16K0G3E
Antenna impedance:	50 Ohms
Supply voltage:	7.2 VDC
Current consumption:	200 mA (Receive)
	40 mA (Standby, Saver Off)
	TX: 1.4 A (H)/0.9 A (M)/0.5 A (L)
Operating Temperature: –22 °F to +140 °F (–30 °C to +60 °C)
Waterproof rating:	30 minutes @ 1 meter depth (JIS 7)
Case Size (W x H x D):	2.3” x 4.7” x 1.2” (58 x 120 x 30.5 mm)
Weight (Approx):	13.4 oz (380 g) with FNB-83

7.2 Transmitter

RF output power: Modulation Type: Max deviation:

Spurious emissions:

5 W/2.5 W/1 W @7.2 V Variable Reactance ±5 kHz

At least 73 dB down

7.3 Receiver

Circuit type:	Double-conversion superheterodyne
Intermediate Frequencies:1st: 21.7 MHz
	2nd: 450 kHz
Sensitivity:	0.25 µV 12 dB SINAD
Adjacent channel selectivity: 70 dB
Intermodulation response:	70 dB
Selectivity:	12 kHz / 25 kHz (–6 dB/–60 dB)
AF output:	600 mW @ 16 Ohm for 10 % THD (@7.2V)

HX270S Page 37